1232130020399 has 4 divisors (see below), whose sum is σ = 1238937368760. Its totient is φ = 1225322672040.

The previous prime is 1232130020371. The next prime is 1232130020441. The reversal of 1232130020399 is 9930200312321.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1232130020399 is a prime.

It is a super-2 number, since 2×1232130020399² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232130020899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3403673909 + ... + 3403674270.

It is an arithmetic number, because the mean of its divisors is an integer number (309734342190).

Almost surely, 2^{1232130020399} is an apocalyptic number.

1232130020399 is a deficient number, since it is larger than the sum of its proper divisors (6807348361).

1232130020399 is an equidigital number, since it uses as much as digits as its factorization.

1232130020399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6807348360.

The product of its (nonzero) digits is 17496, while the sum is 35.

The spelling of 1232130020399 in words is "one trillion, two hundred thirty-two billion, one hundred thirty million, twenty thousand, three hundred ninety-nine".